/**************************************************************************//**
 * @file     main.c
 * @brief    Access a SD card formatted in FAT file system
 *
 * @copyright (C) 2023 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#include <stdio.h>
#include <string.h>

#include "NuMicro.h"
#include "diskio.h"
#include "ff.h"

#define BUFF_SIZE       (8*1024)

static UINT blen = BUFF_SIZE;
DWORD acc_size;                         /* Work register for fs command */
WORD acc_files, acc_dirs;
FILINFO Finfo;

char Line[256];                         /* Console input buffer */
#if _USE_LFN
char Lfname[512];
#endif

#ifdef __ICCARM__
#pragma data_alignment=4
uint8_t Buff_Pool[BUFF_SIZE] ;       /* Working buffer */
#else
uint8_t Buff_Pool[BUFF_SIZE] __attribute__((aligned(4)));       /* Working buffer */
#endif
uint8_t  *Buff;
uint32_t volatile gSdInit = 0;

extern uint32_t volatile msTicks0;

uint32_t get_timer_value()
{
    //sysprintf("get_timer_value() To do...\n");
    return msTicks0;
}

void  dump_buff_hex(uint8_t *pucBuff, int nBytes)
{
    int     nIdx, i;

    nIdx = 0;
    while (nBytes > 0)
    {
        sysprintf("0x%04X  ", nIdx);
        for (i = 0; i < 16; i++)
            sysprintf("%02x ", pucBuff[nIdx + i]);
        sysprintf("  ");
        for (i = 0; i < 16; i++)
        {
            if ((pucBuff[nIdx + i] >= 0x20) && (pucBuff[nIdx + i] < 127))
                sysprintf("%c", pucBuff[nIdx + i]);
            else
                sysprintf(".");
            nBytes--;
        }
        nIdx += 16;
        sysprintf("\n");
    }
    sysprintf("\n");
}


/*--------------------------------------------------------------------------*/
/* Monitor                                                                  */

/*----------------------------------------------*/
/* Get a value of the string                    */
/*----------------------------------------------*/
/*  "123 -5   0x3ff 0b1111 0377  w "
        ^                           1st call returns 123 and next ptr
           ^                        2nd call returns -5 and next ptr
                   ^                3rd call returns 1023 and next ptr
                          ^         4th call returns 15 and next ptr
                               ^    5th call returns 255 and next ptr
                                  ^ 6th call fails and returns 0
*/

int xatoi (         /* 0:Failed, 1:Successful */
    TCHAR **str,    /* Pointer to pointer to the string */
    long *res       /* Pointer to a variable to store the value */
)
{
    unsigned long val;
    unsigned char r, s = 0;
    TCHAR c;


    *res = 0;
    while ((c = **str) == ' ') (*str)++;    /* Skip leading spaces */

    if (c == '-')       /* negative? */
    {
        s = 1;
        c = *(++(*str));
    }

    if (c == '0')
    {
        c = *(++(*str));
        switch (c)
        {
        case 'x':       /* hexadecimal */
            r = 16;
            c = *(++(*str));
            break;
        case 'b':       /* binary */
            r = 2;
            c = *(++(*str));
            break;
        default:
            if (c <= ' ') return 1; /* single zero */
            if (c < '0' || c > '9') return 0;   /* invalid char */
            r = 8;      /* octal */
        }
    }
    else
    {
        if (c < '0' || c > '9') return 0;   /* EOL or invalid char */
        r = 10;         /* decimal */
    }

    val = 0;
    while (c > ' ')
    {
        if (c >= 'a') c -= 0x20;
        c -= '0';
        if (c >= 17)
        {
            c -= 7;
            if (c <= 9) return 0;   /* invalid char */
        }
        if (c >= r) return 0;       /* invalid char for current radix */
        val = val * r + c;
        c = *(++(*str));
    }
    if (s) val = 0 - val;           /* apply sign if needed */

    *res = val;
    return 1;
}


/*----------------------------------------------*/
/* Dump a block of byte array                   */

void put_dump (
    const unsigned char* buff,  /* Pointer to the byte array to be dumped */
    unsigned long addr,         /* Heading address value */
    int cnt                     /* Number of bytes to be dumped */
)
{
    int i;


    sysprintf("%08x ", (uint32_t)addr);

    for (i = 0; i < cnt; i++)
        sysprintf(" %02x", buff[i]);

    sysprintf(" ");
    for (i = 0; i < cnt; i++)
        sysputchar((TCHAR)((buff[i] >= ' ' && buff[i] <= '~') ? buff[i] : '.'));

    sysprintf("\n");
}


/*--------------------------------------------------------------------------*/
/* Monitor                                                                  */
/*--------------------------------------------------------------------------*/

static
FRESULT scan_files (
    char* path      /* Pointer to the path name working buffer */
)
{
    DIR dirs;
    FRESULT res;
    BYTE i;
    char *fn;


    if ((res = f_opendir(&dirs, path)) == FR_OK)
    {
        i = strlen(path);
        while (((res = f_readdir(&dirs, &Finfo)) == FR_OK) && Finfo.fname[0])
        {
            if (FF_FS_RPATH && Finfo.fname[0] == '.') continue;
#if _USE_LFN
            fn = *Finfo.lfname ? Finfo.lfname : Finfo.fname;
#else
            fn = Finfo.fname;
#endif
            if (Finfo.fattrib & AM_DIR)
            {
                acc_dirs++;
                *(path+i) = '/';
                strcpy(path+i+1, fn);
                res = scan_files(path);
                *(path+i) = '\0';
                if (res != FR_OK) break;
            }
            else
            {
                /*              sysprintf("%s/%s\n", path, fn); */
                acc_files++;
                acc_size += Finfo.fsize;
            }
        }
    }

    return res;
}



void put_rc (FRESULT rc)
{
    const TCHAR *p =
        _T("OK\0DISK_ERR\0INT_ERR\0NOT_READY\0NO_FILE\0NO_PATH\0INVALID_NAME\0")
        _T("DENIED\0EXIST\0INVALID_OBJECT\0WRITE_PROTECTED\0INVALID_DRIVE\0")
        _T("NOT_ENABLED\0NO_FILE_SYSTEM\0MKFS_ABORTED\0TIMEOUT\0LOCKED\0")
        _T("NOT_ENOUGH_CORE\0TOO_MANY_OPEN_FILES\0");

    uint32_t i;
    for (i = 0; (i != (UINT)rc) && *p; i++)
    {
        while(*p++) ;
    }
    sysprintf(_T("rc=%d FR_%s\n"), (UINT)rc, p);

   // sysprintf(_T("rc=%d "), (UINT)rc);
   // sysprintf(_T("FR_%s \n"), (UINT)rc, p);

}

/*----------------------------------------------*/
/* Get a line from the input                    */
/*----------------------------------------------*/

void get_line (char *buff, int len)
{
    TCHAR c;
    int idx = 0;

    for (;;)
    {
        c = sysgetchar();
        sysputchar(c);
        if (c == '\r') break;
        if ((c == '\b') && idx) idx--;
        if ((c >= ' ') && (idx < len - 1)) buff[idx++] = c;
    }
    buff[idx] = 0;

    sysputchar('\n');
}

volatile int int_wait_cmd = 0;
volatile int int_wait_data = 0;
void SDH_IRQHandler(void)
{
    uint16_t status;
    status =SDH->NORMAL_INT_STAT_R;
    if(status & SDH_INT_CARD_INSERT) {
    	sysprintf("***** card insert !\n");
    	SDH->NORMAL_INT_STAT_R = SDH_INT_CARD_INSERT;
        //SD0.IsCardInsert = FALSE;
    }

    if(status & SDH_INT_CARD_REMOVE) {
    	sysprintf("\n***** card remove !\n");
    	SDH->NORMAL_INT_STAT_R = SDH_INT_CARD_REMOVE;
        gSdInit = 1;
	}
}

void SYS_Init(void)
{
    /* Unlock protected registers */
    SYS_UnlockReg();

    /* Enable IP clock */
    CLK_EnableModuleClock(UART0_MODULE);
    CLK_EnableModuleClock(SD0_MODULE);
    CLK_EnableModuleClock(SD1_MODULE);
    CLK_EnableModuleClock(GPJ_MODULE);

    /* Select UART clock source from HXT */
    CLK_SetModuleClock(UART0_MODULE, CLK_CLKSEL2_UART0SEL_HXT, CLK_CLKDIV1_UART0(1));

    /* Set SD0 MFP */
    SYS->GPC_MFPL = (SYS->GPC_MFPL & (~SYS_GPC_MFPL_PC0MFP_Msk)) | SYS_GPC_MFPL_PC0MFP_SD0_CMD;
    SYS->GPC_MFPL = (SYS->GPC_MFPL & (~SYS_GPC_MFPL_PC1MFP_Msk)) | SYS_GPC_MFPL_PC1MFP_SD0_CLK;
    SYS->GPC_MFPL = (SYS->GPC_MFPL & (~SYS_GPC_MFPL_PC2MFP_Msk)) | SYS_GPC_MFPL_PC2MFP_SD0_DAT0;
    SYS->GPC_MFPL = (SYS->GPC_MFPL & (~SYS_GPC_MFPL_PC3MFP_Msk)) | SYS_GPC_MFPL_PC3MFP_SD0_DAT1;
    SYS->GPC_MFPL = (SYS->GPC_MFPL & (~SYS_GPC_MFPL_PC4MFP_Msk)) | SYS_GPC_MFPL_PC4MFP_SD0_DAT2;
    SYS->GPC_MFPL = (SYS->GPC_MFPL & (~SYS_GPC_MFPL_PC5MFP_Msk)) | SYS_GPC_MFPL_PC5MFP_SD0_DAT3;
    SYS->GPC_MFPL = (SYS->GPC_MFPL & (~SYS_GPC_MFPL_PC6MFP_Msk)) | SYS_GPC_MFPL_PC6MFP_SD0_nCD;
    SYS->GPC_MFPL = (SYS->GPC_MFPL & (~SYS_GPC_MFPL_PC7MFP_Msk)) | SYS_GPC_MFPL_PC7MFP_SD0_WP;

    /* Set SD1 MFP */
    SYS->GPJ_MFPL = (SYS->GPJ_MFPL & (~SYS_GPJ_MFPL_PJ0MFP_Msk)) | SYS_GPJ_MFPL_PJ0MFP_eMMC1_DAT4;
    SYS->GPJ_MFPL = (SYS->GPJ_MFPL & (~SYS_GPJ_MFPL_PJ1MFP_Msk)) | SYS_GPJ_MFPL_PJ1MFP_eMMC1_DAT5;
    SYS->GPJ_MFPL = (SYS->GPJ_MFPL & (~SYS_GPJ_MFPL_PJ2MFP_Msk)) | SYS_GPJ_MFPL_PJ2MFP_eMMC1_DAT6;
    SYS->GPJ_MFPL = (SYS->GPJ_MFPL & (~SYS_GPJ_MFPL_PJ3MFP_Msk)) | SYS_GPJ_MFPL_PJ3MFP_eMMC1_DAT7;
    SYS->GPJ_MFPL = (SYS->GPJ_MFPL & (~SYS_GPJ_MFPL_PJ4MFP_Msk)) | SYS_GPJ_MFPL_PJ4MFP_SD1_WP;
    SYS->GPJ_MFPL = (SYS->GPJ_MFPL & (~SYS_GPJ_MFPL_PJ5MFP_Msk)) | SYS_GPJ_MFPL_PJ5MFP_SD1_nCD;
    SYS->GPJ_MFPL = (SYS->GPJ_MFPL & (~SYS_GPJ_MFPL_PJ6MFP_Msk)) | SYS_GPJ_MFPL_PJ6MFP_eMMC1_CMD;
    SYS->GPJ_MFPL = (SYS->GPJ_MFPL & (~SYS_GPJ_MFPL_PJ7MFP_Msk)) | SYS_GPJ_MFPL_PJ7MFP_eMMC1_CLK;
    SYS->GPJ_MFPH = (SYS->GPJ_MFPH & (~SYS_GPJ_MFPH_PJ8MFP_Msk)) | SYS_GPJ_MFPH_PJ8MFP_eMMC1_DAT0;
    SYS->GPJ_MFPH = (SYS->GPJ_MFPH & (~SYS_GPJ_MFPH_PJ9MFP_Msk)) | SYS_GPJ_MFPH_PJ9MFP_eMMC1_DAT1;
    SYS->GPJ_MFPH = (SYS->GPJ_MFPH & (~SYS_GPJ_MFPH_PJ10MFP_Msk)) | SYS_GPJ_MFPH_PJ10MFP_eMMC1_DAT2;
    SYS->GPJ_MFPH = (SYS->GPJ_MFPH & (~SYS_GPJ_MFPH_PJ11MFP_Msk)) | SYS_GPJ_MFPH_PJ11MFP_eMMC1_DAT3;

    /* Set multi-function pins for UART */
    SYS->GPE_MFPL &= ~(SYS_GPE_MFPH_PE15MFP_Msk | SYS_GPE_MFPH_PE14MFP_Msk);
	SYS->GPE_MFPH |= (SYS_GPE_MFPH_PE15MFP_UART0_RXD | SYS_GPE_MFPH_PE14MFP_UART0_TXD);

	/* PJ Driver Strength */
	GPIO_SetDriveStrength(PJ,  0, 1);
	GPIO_SetDriveStrength(PJ,  1, 1);
	GPIO_SetDriveStrength(PJ,  2, 1);
	GPIO_SetDriveStrength(PJ,  3, 1);
	GPIO_SetDriveStrength(PJ,  6, 4);
	GPIO_SetDriveStrength(PJ,  7, 7);
	GPIO_SetDriveStrength(PJ,  8, 1);
	GPIO_SetDriveStrength(PJ,  9, 1);
	GPIO_SetDriveStrength(PJ, 10, 1);
	GPIO_SetDriveStrength(PJ, 11, 1);

	/* PC Driver Strength */
	GPIO_SetDriveStrength(PC,  0, 2);
	GPIO_SetDriveStrength(PC,  1, 2);
	GPIO_SetDriveStrength(PC,  2, 2);
	GPIO_SetDriveStrength(PC,  3, 2);
	GPIO_SetDriveStrength(PC,  4, 2);
	GPIO_SetDriveStrength(PC,  5, 2);

    /* Lock protected registers */
    SYS_LockReg();
}

void UART0_Init()
{
    /* Init UART to 115200-8n1 for print message */
	UART_Open(UART0, 115200);
}


/*---------------------------------------------------------*/
/* User Provided RTC Function for FatFs module             */
/*---------------------------------------------------------*/
/* This is a real time clock service to be called from     */
/* FatFs module. Any valid time must be returned even if   */
/* the system does not support an RTC.                     */
/* This function is not required in read-only cfg.         */

unsigned long get_fattime (void)
{
    return 0x00000;
}

static FIL file1, file2;        /* File objects */

#if 0
void access_test(SDH_T * sdh) {
	char ram0[1024],ram1[1024];
	int i;

	for(i=0;i<1024;i++) {
		ram0[i] = i&0xff;
		ram1[i] = 0;
	}
	SDH_Write(sdh, ((uint8_t*)(ram0)), 0, 2);
	SDH_Read(sdh, ((uint8_t*)(ram1)), 0, 2);
	while(1);
}
#endif
int32_t main(void)
{
    char        *ptr, *ptr2;
    long        p1, p2, p3;
    BYTE        *buf;
    FATFS       *fs;              /* Pointer to file system object */
    BYTE        SD_Drv = 0;
    TCHAR       sd0_path[] = { '0', ':', 0 };    /* SD drive started from 0 */
    TCHAR       sd1_path[] = { '1', ':', 0 };    /* SD drive started from 1 */
    FRESULT     res;
    SDH_T *		pSD;
    uint32_t	getTicks;

    DIR dir;                /* Directory object */
    UINT s1, s2, cnt;
    static const BYTE ft[] = {0, 12, 16, 32};
    DWORD ofs = 0, sect = 0;

    Buff = (BYTE *)Buff_Pool;

    SYS_Init();
    UART0_Init();
    global_timer_init();

    sysprintf("\n");
    sysprintf("====================================\n");
    sysprintf("          SDH Testing               \n");
    sysprintf("====================================\n");
    sysprintf("\n\nMA35D1 SDH FATFS TEST!\n");

    SDH_Reset(SDH);

    /*
        SD initial state needs 400KHz clock output, driver will use HIRC for SD initial clock source.
        And then switch back to the user's setting.
    */
    SDH_Open_Disk(SDH);

    if(SDH==SDH0) {
    	/* Set SDH0 interrupt callback function for sdh card detection */
    	IRQ_SetHandler((IRQn_ID_t)SDH0_IRQn, SDH_IRQHandler);

    	/* Set default path */
    	f_chdrive(sd0_path);
    } else {
    	/* Set SDH1 interrupt callback function for sdh card detection */
    	IRQ_SetHandler((IRQn_ID_t)SDH1_IRQn, SDH_IRQHandler);

    	/* Set default path */
    	f_chdrive(sd1_path);
    }

    /* Enable card detection */
    SDH_CardDetection(SDH);

    for (;;)
    {
        if (gSdInit)
        {
        	SDH_Reset(SDH);
            SDH_Open_Disk(SDH);
            gSdInit = 0;
        }
        sysprintf(_T(">"));
        ptr = Line;
        get_line(ptr, sizeof(Line));
        switch (*ptr++)
        {

        case 'q' :  /* Exit program */
            return 0;

        case 'd' :
            switch (*ptr++)
            {
            case 'd' :  /* dd [<lba>] - Dump sector */
                if (!xatoi(&ptr, &p2)) p2 = sect;
                res = (FRESULT)disk_read(SD_Drv, Buff, p2, 1);
                if (res)
                {
                    sysprintf("rc=%d\n", (WORD)res);
                    break;
                }
                sect = p2 + 1;
                sysprintf("Sector:%lu\n", p2);
                for (buf=(unsigned char*)Buff, ofs = 0; ofs < 0x200; buf+=16, ofs+=16)
                    put_dump(buf, ofs, 16);
                break;

            }
            break;

        case 'b' :
            switch (*ptr++)
            {
            case 'd' :  /* bd <addr> - Dump R/W buffer */
                if (!xatoi(&ptr, &p1)) break;
                for (ptr=(char*)&Buff[p1], ofs = p1, cnt = 32; cnt; cnt--, ptr+=16, ofs+=16)
                    put_dump((BYTE*)ptr, ofs, 16);
                break;

            case 'e' :  /* be <addr> [<data>] ... - Edit R/W buffer */
                if (!xatoi(&ptr, &p1)) break;
                if (xatoi(&ptr, &p2))
                {
                    do
                    {
                        Buff[p1++] = (BYTE)p2;
                    }
                    while (xatoi(&ptr, &p2));
                    break;
                }
                for (;;)
                {
                    sysprintf("%04X %02X-", (WORD)p1, Buff[p1]);
                    get_line(Line, sizeof(Line));
                    ptr = Line;
                    if (*ptr == '.') break;
                    if (*ptr < ' ')
                    {
                        p1++;
                        continue;
                    }
                    if (xatoi(&ptr, &p2))
                        Buff[p1++] = (BYTE)p2;
                    else
                        sysprintf("???\n");
                }
                break;

            case 'r' :  /* br <sector> [<n>] - Read disk into R/W buffer */
                if (!xatoi(&ptr, &p2)) break;
                if (!xatoi(&ptr, &p3)) p3 = 1;
                sysprintf("rc=%d\n", disk_read(SD_Drv, Buff, p2, p3));
                break;

            case 'w' :  /* bw <sector> [<n>] - Write R/W buffer into disk */
                if (!xatoi(&ptr, &p2)) break;
                if (!xatoi(&ptr, &p3)) p3 = 1;
                sysprintf("rc=%d\n", disk_write(SD_Drv, Buff, p2, p3));
                break;

            case 'f' :  /* bf <n> - Fill working buffer */
                if (!xatoi(&ptr, &p1)) break;
                memset(Buff, (int)p1, BUFF_SIZE);
                break;

            }
            break;



        case 'f' :
            switch (*ptr++)
            {

            case 's' :  /* fs - Show logical drive status */
                res = f_getfree("", (DWORD*)&p2, &fs);
                if (res)
                {
                    put_rc(res);
                    break;
                }
                sysprintf("FAT type = FAT%u\nBytes/Cluster = %lu\nNumber of FATs = %u\n"
                       "Root DIR entries = %u\nSectors/FAT = %lu\nNumber of clusters = %lu\n"
                       "FAT start (lba) = %lu\nDIR start (lba,cluster) = %lu\nData start (lba) = %lu\n\n...",
                       ft[fs->fs_type & 3], fs->csize * 512UL, fs->n_fats,
                       fs->n_rootdir, fs->fsize, fs->n_fatent - 2,
                       fs->fatbase, fs->dirbase, fs->database
                      );
                acc_size = acc_files = acc_dirs = 0;
#if _USE_LFN
                Finfo.lfname = Lfname;
                Finfo.lfsize = sizeof(Lfname);
#endif
                res = scan_files(ptr);
                if (res)
                {
                    put_rc(res);
                    break;
                }
                sysprintf("\r%u files, %lu bytes.\n%u folders.\n"
                       "%lu KB total disk space.\n%lu KB available.\n",
                       acc_files, acc_size, acc_dirs,
                       (fs->n_fatent - 2) * (fs->csize / 2), p2 * (fs->csize / 2)
                      );
                break;
            case 'l' :  /* fl [<path>] - Directory listing */
                while (*ptr == ' ') ptr++;
                res = f_opendir(&dir, ptr);
                if (res)
                {
                    put_rc(res);
                    break;
                }
                p1 = s1 = s2 = 0;
                for(;;)
                {
                    res = f_readdir(&dir, &Finfo);
                    if ((res != FR_OK) || !Finfo.fname[0]) break;
                    if (Finfo.fattrib & AM_DIR)
                    {
                        s2++;
                    }
                    else
                    {
                        s1++;
                        p1 += Finfo.fsize;
                    }
                    sysprintf("%c%c%c%c%c %d/%02d/%02d %02d:%02d    %9lu  %s",
                           (Finfo.fattrib & AM_DIR) ? 'D' : '-',
                           (Finfo.fattrib & AM_RDO) ? 'R' : '-',
                           (Finfo.fattrib & AM_HID) ? 'H' : '-',
                           (Finfo.fattrib & AM_SYS) ? 'S' : '-',
                           (Finfo.fattrib & AM_ARC) ? 'A' : '-',
                           (Finfo.fdate >> 9) + 1980, (Finfo.fdate >> 5) & 15, Finfo.fdate & 31,
                           (Finfo.ftime >> 11), (Finfo.ftime >> 5) & 63, Finfo.fsize, Finfo.fname);
#if _USE_LFN
                    for (p2 = strlen(Finfo.fname); p2 < 14; p2++)
                        sysprintf(" ");
                    sysprintf("%s\n", Lfname);
#else
                    sysprintf("\n");
#endif
                }
                sysprintf("%4u File(s),%10lu bytes total\n%4u Dir(s)", s1, p1, s2);
                if (f_getfree(ptr, (DWORD*)&p1, &fs) == FR_OK)
                    sysprintf(", %10lu bytes free\n", p1 * fs->csize * 512);
                break;


            case 'o' :  /* fo <mode> <file> - Open a file */
                if (!xatoi(&ptr, &p1)) break;
                while (*ptr == ' ') ptr++;
                put_rc(f_open(&file1, ptr, (BYTE)p1));
                break;

            case 'c' :  /* fc - Close a file */
                put_rc(f_close(&file1));
                break;

            case 'e' :  /* fe - Seek file pointer */
                if (!xatoi(&ptr, &p1)) break;
                res = f_lseek(&file1, p1);
                put_rc(res);
                if (res == FR_OK)
                    sysprintf("fptr=%lu(0x%lX)\n", file1.fptr, file1.fptr);
                break;

            case 'd' :  /* fd <len> - read and dump file from current fp */
                if (!xatoi(&ptr, &p1)) break;
                ofs = file1.fptr;
                while (p1)
                {
                    if ((UINT)p1 >= 16)
                    {
                        cnt = 16;
                        p1 -= 16;
                    }
                    else
                    {
                        cnt = p1;
                        p1 = 0;
                    }
                    res = f_read(&file1, Buff, cnt, &cnt);
                    if (res != FR_OK)
                    {
                        put_rc(res);
                        break;
                    }
                    if (!cnt) break;
                    put_dump(Buff, ofs, cnt);
                    ofs += 16;
                }
                break;

            case 'r' :  /* fr <len> - read file */
                if (!xatoi(&ptr, &p1)) break;
                p2 = 0;
                getTicks = msTicks0;
                while (p1)
                {
                    if ((UINT)p1 >= blen)
                    {
                        cnt = blen;
                        p1 -= blen;
                    }
                    else
                    {
                        cnt = p1;
                        p1 = 0;
                    }
                    res = f_read(&file1, Buff, cnt, &s2);
                    if (res != FR_OK)
                    {
                        put_rc(res);
                        break;
                    }
                    p2 += s2;
                    if (cnt != s2) break;
                }
                p1 = (msTicks0 - getTicks)/1000;
                if (p1)
                    sysprintf("%lu bytes read with %lu kB/sec.\n", p2, ((p2 * 100) / p1)/1024);
                break;

            case 'w' :  /* fw <len> <val> - write file */
                if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2)) break;
                memset(Buff, (BYTE)p2, blen);
                p2 = 0;
                getTicks = msTicks0;
                while (p1)
                {
                    if ((UINT)p1 >= blen)
                    {
                        cnt = blen;
                        p1 -= blen;
                    }
                    else
                    {
                        cnt = p1;
                        p1 = 0;
                    }
                    res = f_write(&file1, Buff, cnt, &s2);
                    if (res != FR_OK)
                    {
                        put_rc(res);
                        break;
                    }
                    p2 += s2;
                    if (cnt != s2) break;
                }
                p1 = (msTicks0 - getTicks)/1000;
                if (p1)
                    sysprintf("%lu bytes written with %lu kB/sec.\n", p2, ((p2 * 100) / p1)/1024);
                break;

            case 'n' :  /* fn <old_name> <new_name> - Change file/dir name */
                while (*ptr == ' ') ptr++;
                ptr2 = strchr(ptr, ' ');
                if (!ptr2) break;
                *ptr2++ = 0;
                while (*ptr2 == ' ') ptr2++;
                put_rc(f_rename(ptr, ptr2));
                break;

            case 'u' :  /* fu <name> - Unlink a file or dir */
                while (*ptr == ' ') ptr++;
                put_rc(f_unlink(ptr));
                break;

            case 'v' :  /* fv - Truncate file */
                put_rc(f_truncate(&file1));
                break;

            case 'k' :  /* fk <name> - Create a directory */
                while (*ptr == ' ') ptr++;
                put_rc(f_mkdir(ptr));
                break;

            case 'a' :  /* fa <atrr> <mask> <name> - Change file/dir attribute */
                if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2)) break;
                while (*ptr == ' ') ptr++;
                put_rc(f_chmod(ptr, p1, p2));
                break;

            case 't' :  /* ft <year> <month> <day> <hour> <min> <sec> <name> - Change time stamp */
                if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2) || !xatoi(&ptr, &p3)) break;
                Finfo.fdate = (WORD)(((p1 - 1980) << 9) | ((p2 & 15) << 5) | (p3 & 31));
                if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2) || !xatoi(&ptr, &p3)) break;
                Finfo.ftime = (WORD)(((p1 & 31) << 11) | ((p1 & 63) << 5) | ((p1 >> 1) & 31));
                put_rc(f_utime(ptr, &Finfo));
                break;

            case 'x' :   /* fx <src_name> <dst_name> - Copy file */
            {
                uint32_t volatile btime;

                while (*ptr == ' ') ptr++;
                ptr2 = strchr(ptr, ' ');
                if (!ptr2) break;
                *ptr2++ = 0;
                while (*ptr2 == ' ') ptr2++;
                sysprintf("Opening \"%s\"", ptr);
                res = f_open(&file1, ptr, FA_OPEN_EXISTING | FA_READ);
                sysprintf("\n");
                if (res)
                {
                    put_rc(res);
                    break;
                }
                sysprintf("Creating \"%s\"", ptr2);
                res = f_open(&file2, ptr2, FA_CREATE_ALWAYS | FA_WRITE);
                putchar('\n');
                if (res)
                {
                    put_rc(res);
                    f_close(&file1);
                    break;
                }
                sysprintf("Copying...");
                p1 = 0;
                btime = get_timer_value();
                for (;;)
                {
                    res = f_read(&file1, Buff, BUFF_SIZE, &s1);
                    if (res || s1 == 0) break;   /* error or eof */
                    res = f_write(&file2, Buff, s1, &s2);
                    p1 += s2;
                    if (res || s2 < s1) break;   /* error or disk full */
                }
                sysprintf("\n%lu bytes copied. %d\n", p1, (get_timer_value()-btime));
                f_close(&file1);
                f_close(&file2);
            }
            break;
#if _FS_RPATH
            case 'g' :  /* fg <path> - Change current directory */
                while (*ptr == ' ') ptr++;
                put_rc(f_chdir(ptr));
                break;

            case 'j' :  /* fj <drive#> - Change current drive */
                while (*ptr == ' ') ptr++;
                dump_buff_hex((uint8_t *)&p1, 16);
                put_rc(f_chdrive((TCHAR *)ptr));
                break;
#endif
#if _USE_MKFS
            case 'm' :  /* fm <partition rule> <sect/clust> - Create file system */
                if (!xatoi(&ptr, &p2) || !xatoi(&ptr, &p3)) break;
                sysprintf("The memory card will be formatted. Are you sure? (Y/n)=");
                get_line(ptr, sizeof(Line));
                if (*ptr == 'Y')
                    put_rc(f_mkfs(0, (BYTE)p2, (WORD)p3));
                break;
#endif
            case 'z' :  /* fz [<rw size>] - Change R/W length for fr/fw/fx command */
                if (xatoi(&ptr, &p1) && p1 >= 1 && (size_t)p1 <= BUFF_SIZE)
                    blen = p1;
                sysprintf("blen=%d\n", blen);
                break;
            }
            break;
        case '?':       /* Show usage */
            sysprintf(
                _T("n: - Change default drive (SD drive is 0~1)\n")
                _T("dd [<lba>] - Dump sector\n")
                //_T("ds <pd#> - Show disk status\n")
                _T("\n")
                _T("bd <ofs> - Dump working buffer\n")
                _T("be <ofs> [<data>] ... - Edit working buffer\n")
                _T("br <pd#> <sect> [<num>] - Read disk into working buffer\n")
                _T("bw <pd#> <sect> [<num>] - Write working buffer into disk\n")
                _T("bf <val> - Fill working buffer\n")
                _T("\n")
                _T("fs - Show volume status\n")
                _T("fl [<path>] - Show a directory\n")
                _T("fo <mode> <file> - Open a file\n")
                _T("fc - Close the file\n")
                _T("fe <ofs> - Move fp in normal seek\n")
                //_T("fE <ofs> - Move fp in fast seek or Create link table\n")
                _T("fd <len> - Read and dump the file\n")
                _T("fr <len> - Read the file\n")
                _T("fw <len> <val> - Write to the file\n")
                _T("fn <object name> <new name> - Rename an object\n")
                _T("fu <object name> - Unlink an object\n")
                _T("fv - Truncate the file at current fp\n")
                _T("fk <dir name> - Create a directory\n")
                _T("fa <atrr> <mask> <object name> - Change object attribute\n")
                _T("ft <year> <month> <day> <hour> <min> <sec> <object name> - Change timestamp of an object\n")
                _T("fx <src file> <dst file> - Copy a file\n")
                _T("fg <path> - Change current directory\n")
                _T("fj <ld#> - Change current drive. For example: <fj 4:>\n")
                _T("fm <ld#> <rule> <cluster size> - Create file system\n")
                _T("\n")
            );
            break;
        }
    }

}



/*** (C) COPYRIGHT 2023 Nuvoton Technology Corp. ***/
